:root {
  --gb-bg: #12110f;
  --gb-bg-raised: #181714;
  --gb-bg-chrome: #161513;
  --gb-surface: #1c1a16;
  --gb-border: #2e2b24;
  --gb-text: #f4efe6;
  --gb-text-dim: #a39b8f;
  --gb-accent: #e3b341;
  --gb-accent-2: #c4a056;
  --gb-personal: #8b9bb4;
  --gb-research: #3f6b5a;
  --gb-danger: #b5523a;
  --gb-agent-off: #5e5953;
  --gb-agent-readonly: #8b9bb4;

  --p-lilac: #d4c4b8;
  --p-peach: #f0c9a0;
  --p-mint: #9bb8a8;
  --p-sky: #b4c0d4;

  --canvas: #0c0a10;
  --text-on-mesh: #f4efe6;
  --mesh-shadow: 0 1px 0 rgba(12, 10, 24, 0.55), 0 8px 24px rgba(12, 10, 24, 0.45);

  --sans: "IBM Plex Sans", ui-sans-serif, system-ui, sans-serif;
  --serif: "IBM Plex Serif", ui-serif, Georgia, serif;

  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --space-7: 48px;

  --radius-control: 8px;
  --radius-card: 16px;

  --nav-z: 40;
  --content-z: 1;

  --ease-place: cubic-bezier(0.2, 0, 0, 1);
  --duration-fast: 120ms;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  font-family: var(--sans);
  font-weight: 400;
  font-size: 16px;
  line-height: 1.55;
  color: var(--gb-text);
  background: var(--canvas);
  -webkit-font-smoothing: antialiased;
}

img,
svg {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
}

code {
  font-family: var(--sans);
  font-variant-numeric: tabular-nums;
  font-size: 0.92em;
}

.skip-link {
  position: absolute;
  left: var(--space-4);
  top: var(--space-4);
  z-index: 60;
  padding: var(--space-2) var(--space-4);
  background: var(--gb-surface);
  color: var(--gb-text);
  border: 1px solid var(--gb-border);
  border-radius: var(--radius-control);
  transform: translateY(-160%);
}

.skip-link:focus {
  transform: none;
}

.mesh {
  position: fixed;
  inset: 0;
  z-index: -2;
  overflow: hidden;
  pointer-events: none;
  background: var(--canvas);
}

.blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  mix-blend-mode: plus-lighter;
  will-change: transform;
}

.blob-peach {
  width: min(78vw, 820px);
  height: min(78vw, 820px);
  top: -22%;
  right: -10%;
  background: var(--p-peach);
  opacity: 0.62;
  animation: drift-a 32s var(--ease-place) infinite alternate;
}

.blob-mint {
  width: min(64vw, 620px);
  height: min(64vw, 620px);
  top: 32%;
  left: -18%;
  background: var(--p-mint);
  opacity: 0.5;
  animation: drift-b 38s var(--ease-place) infinite alternate;
}

.blob-sky {
  width: min(58vw, 560px);
  height: min(58vw, 560px);
  bottom: -14%;
  right: 6%;
  background: var(--p-sky);
  opacity: 0.48;
  animation: drift-c 28s var(--ease-place) infinite alternate;
}

.blob-dust {
  width: min(52vw, 480px);
  height: min(52vw, 480px);
  top: 6%;
  left: 24%;
  background: var(--p-lilac);
  opacity: 0.4;
  animation: drift-d 42s var(--ease-place) infinite alternate;
}

@keyframes drift-a {
  from {
    transform: translate3d(0, 0, 0) scale(1);
  }
  to {
    transform: translate3d(-7%, 8%, 0) scale(1.08);
  }
}

@keyframes drift-b {
  from {
    transform: translate3d(0, 0, 0) scale(1);
  }
  to {
    transform: translate3d(10%, -6%, 0) scale(1.06);
  }
}

@keyframes drift-c {
  from {
    transform: translate3d(0, 0, 0) scale(1);
  }
  to {
    transform: translate3d(-6%, -8%, 0) scale(1.1);
  }
}

@keyframes drift-d {
  from {
    transform: translate3d(0, 0, 0) scale(1);
  }
  to {
    transform: translate3d(8%, 10%, 0) scale(0.94);
  }
}

.grain {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: 0.18;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='180' height='180' filter='url(%23n)' opacity='0.55'/%3E%3C/svg%3E");
}

.eyebrow,
.section-head .lede,
.hero .lede,
.note.on-mesh,
.on-mesh {
  color: var(--text-on-mesh);
  text-shadow: var(--mesh-shadow);
}

.nav a,
.footer-meta a,
.hero-actions .btn-ghost {
  text-shadow: 0 1px 0 rgba(12, 10, 24, 0.4);
}

.access-card,
.access-card :is(p, li, h3, label, .card-kicker, .form-fallback, .form-status, .optional) {
  text-shadow: none;
}

.access-card p,
.access-card li,
.access-card .form-fallback,
.access-card .optional {
  color: #d8d0c4;
}

.wordmark {
  font-family: var(--serif);
  font-weight: 500;
  letter-spacing: 0.01em;
  text-decoration: none;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: var(--nav-z);
  padding: var(--space-3) var(--space-5);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  max-width: 1120px;
  margin: 0 auto;
  padding: var(--space-2) var(--space-4);
  background: rgba(18, 17, 15, 0.48);
  backdrop-filter: blur(18px) saturate(1.2);
  -webkit-backdrop-filter: blur(18px) saturate(1.2);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-card);
}

.nav .wordmark {
  font-size: 18px;
  line-height: 24px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  font-size: 13px;
  line-height: 18px;
  font-weight: 500;
  text-decoration: none;
  color: var(--text-on-mesh);
}

.nav-cta {
  padding: var(--space-2) var(--space-4);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius-control);
  background: rgba(227, 179, 65, 0.12);
}

main {
  position: relative;
  z-index: var(--content-z);
}

.hero,
.section,
.site-footer {
  width: min(1120px, calc(100% - 48px));
  margin-left: auto;
  margin-right: auto;
  scroll-margin-top: 80px;
}

.hero {
  padding: 72px 0 64px;
}

.eyebrow,
.card-kicker,
.footer-heading,
.side-label {
  font-size: 11px;
  line-height: 16px;
  font-weight: 500;
  letter-spacing: 0.02em;
  margin: 0 0 var(--space-3);
}

.hero h1,
.section-head h2 {
  margin: 0 0 var(--space-4);
  font-weight: 500;
  letter-spacing: -0.02em;
}

.hero h1 {
  font-size: clamp(2.25rem, 5vw, 3.5rem);
  line-height: 1.15;
  max-width: 16ch;
}

.section-head h2 {
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  line-height: 1.2;
}

.lede {
  max-width: 42rem;
  margin: 0 0 var(--space-6);
  font-size: 1.125rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-bottom: var(--space-7);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: var(--space-2) var(--space-5);
  border-radius: var(--radius-control);
  font-family: inherit;
  font-size: 13px;
  line-height: 18px;
  font-weight: 500;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background var(--duration-fast) var(--ease-place),
    border-color var(--duration-fast) var(--ease-place);
}

.btn-primary {
  background: var(--gb-accent);
  color: #1a1408;
  border-color: var(--gb-accent);
}

.btn-primary:hover {
  background: var(--gb-accent-2);
  border-color: var(--gb-accent-2);
}

.btn-ghost {
  background: rgba(18, 17, 15, 0.35);
  color: var(--text-on-mesh);
  border-color: rgba(255, 255, 255, 0.14);
  backdrop-filter: blur(12px) saturate(1.1);
}

.chrome-sketch {
  margin: 0;
  padding: var(--space-3);
  background: rgba(28, 26, 22, 0.46);
  backdrop-filter: blur(22px) saturate(1.25);
  -webkit-backdrop-filter: blur(22px) saturate(1.25);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-card);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.28);
}

.chrome-bar {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  background: var(--gb-bg-chrome);
  border: 1px solid var(--gb-border);
  border-radius: 8px 8px 0 0;
}

.traffic {
  width: 8px;
  height: 8px;
  border-radius: 8px;
  background: var(--gb-agent-off);
  border: 1px solid var(--gb-border);
}

.chrome-wordmark {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 13px;
  margin-left: var(--space-2);
  letter-spacing: 0.01em;
}

.lamp {
  width: 8px;
  height: 8px;
  margin-left: auto;
  border-radius: 8px;
  border: 1px solid var(--gb-border);
}

.lamp-readonly {
  background: var(--gb-agent-readonly);
}

.chrome-body {
  padding: var(--space-4);
  background: var(--gb-bg);
  border: 1px solid var(--gb-border);
  border-top: 0;
  border-radius: 0 0 8px 8px;
}

.chrome-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-3);
}

.chip {
  font-size: 11px;
  line-height: 16px;
  font-weight: 500;
  padding: 2px var(--space-2);
  border-radius: 4px;
  border: 1px solid var(--gb-border);
  background: var(--gb-surface);
}

.chip-personal {
  box-shadow: inset 3px 0 0 var(--gb-personal);
}

.chip-research {
  box-shadow: inset 3px 0 0 var(--gb-research);
}

.chip-approved {
  box-shadow: inset 3px 0 0 var(--gb-accent-2);
}

.chrome-address {
  font-size: 13px;
  line-height: 18px;
  font-variant-numeric: tabular-nums;
  padding: var(--space-2) var(--space-3);
  background: var(--gb-bg-raised);
  border: 1px solid var(--gb-border);
  border-radius: 2px;
  color: var(--gb-text-dim);
  margin-bottom: var(--space-4);
}

.chrome-split {
  display: grid;
  grid-template-columns: 1fr minmax(160px, 280px);
  gap: var(--space-4);
  min-height: 140px;
}

.chrome-page {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  padding: var(--space-4);
  background: var(--gb-bg-raised);
  border: 1px solid var(--gb-border);
  border-radius: 4px;
}

.rule {
  display: block;
  height: 8px;
  background: #2a2722;
  border-radius: 2px;
}

.rule.short {
  width: 62%;
}

.chrome-side {
  padding: var(--space-4);
  background: var(--gb-surface);
  border: 1px solid var(--gb-border);
  border-radius: 4px;
}

.side-line {
  margin: 0 0 var(--space-2);
  font-size: 13px;
  line-height: 20px;
}

.side-line.dim {
  color: var(--gb-text-dim);
}

.section {
  padding: 72px 0 24px;
}

.section-head {
  margin-bottom: var(--space-6);
}

.card-grid,
.profile-grid,
.split-grid {
  display: grid;
  gap: var(--space-4);
  list-style: none;
  margin: 0;
  padding: 0;
}

.card-grid,
.profile-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.split-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.access-card {
  color: var(--gb-text);
  background: rgba(28, 26, 22, 0.58);
  backdrop-filter: blur(20px) saturate(1.2);
  -webkit-backdrop-filter: blur(20px) saturate(1.2);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-card);
  padding: var(--space-5);
}

.access-card h3 {
  margin: 0 0 var(--space-3);
  font-size: 1.125rem;
  font-weight: 500;
}

.access-card p {
  margin: 0;
}

.card-kicker {
  color: var(--gb-accent-2);
}

.profile-card {
  border-left-width: 3px;
  border-left-style: solid;
}

.profile-card[data-profile="personal"] {
  border-left-color: var(--gb-personal);
}

.profile-card[data-profile="research"] {
  border-left-color: var(--gb-research);
}

.profile-card[data-profile="approved"] {
  border-left-color: var(--gb-accent-2);
}

.plain-list {
  margin: 0;
  padding-left: 1.1em;
}

.plain-list li + li {
  margin-top: var(--space-3);
}

.note {
  margin: var(--space-5) 0 0;
  max-width: 46rem;
  font-size: 0.95rem;
}

.access {
  padding-bottom: 80px;
}

.waitlist {
  max-width: 520px;
}

.field {
  margin-bottom: var(--space-4);
}

.field label {
  display: block;
  font-size: 13px;
  line-height: 18px;
  font-weight: 500;
  margin-bottom: var(--space-2);
}

.optional {
  font-weight: 400;
  color: var(--gb-text-dim);
}

.field input,
.field textarea {
  width: 100%;
  font: inherit;
  color: var(--gb-text);
  background: rgba(18, 17, 15, 0.62);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-control);
  padding: var(--space-3);
}

.field textarea {
  resize: vertical;
  min-height: 96px;
}

.field input:focus-visible,
.field textarea:focus-visible,
.btn:focus-visible,
.nav a:focus-visible,
.footer-meta a:focus-visible,
.form-fallback a:focus-visible,
.waitlist a:focus-visible {
  outline: 2px solid var(--gb-accent);
  outline-offset: 3px;
}

.waitlist .btn {
  width: 100%;
}

.form-status {
  min-height: 1.4em;
  margin: var(--space-3) 0 0;
  font-size: 13px;
}

.form-status.is-error {
  color: var(--gb-danger);
}

.form-fallback {
  margin: var(--space-4) 0 0;
  font-size: 13px;
}

.form-fallback a {
  color: var(--gb-accent);
}

.site-footer {
  padding: 64px 0 40px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.1fr 1.4fr 0.8fr;
  gap: var(--space-6);
}

.footer-mark {
  font-size: 18px;
  line-height: 24px;
  margin: 0 0 var(--space-3);
}

.footer-heading {
  color: var(--text-on-mesh);
}

.footer-grid p {
  margin: 0;
  font-size: 0.95rem;
}

.footer-grid a {
  color: var(--text-on-mesh);
}

.footer-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin: var(--space-7) 0 0;
  font-size: 13px;
  color: var(--text-on-mesh);
}

.footer-meta a {
  text-decoration: none;
}

.discreet {
  opacity: 0.72;
}

@media (max-width: 900px) {
  .card-grid,
  .profile-grid,
  .split-grid,
  .footer-grid,
  .chrome-split {
    grid-template-columns: 1fr;
  }

  .nav-links li:not(:last-child) {
    display: none;
  }

  .hero {
    padding-top: 48px;
  }
}

@media (max-width: 600px) {
  .hero,
  .section,
  .site-footer {
    width: min(1120px, calc(100% - 32px));
  }

  .site-header {
    padding: var(--space-3);
  }

  .nav {
    padding: var(--space-2) var(--space-3);
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-actions .btn {
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .blob {
    animation: none;
  }
}